61561490 is an even 8-digits composite number following 61561489
and preceding 61561491 . In scientific notation, it is written as 6.1561490 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 23775360 positive integers (up to 61561490) that are relatively prime to 61561490.
61561490 has 16 divisors, whose sum is 114632280
The reverse of 61561490 is 09416516
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
sixty-one million five hundred sixty-one thousand four hundred ninety
Scientific notation
6.1561490 × 10^7
Engineering notation
6.1561490 × 10^6
Prime Factorization
2 × 5 × 29 × 212281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
61561490
Product of the distinct prime numbers
The prime factorization of 61561490 is 2 × 5 × 29 × 212281.
Since it has a total of 4 prime factors.
8 , 8 , 96 , 40 , 334 , 158 , 6762 , 6964 , 59843 , 94780 , 739337 , 466357 , 9147251 , 3635798 , 26454925 , 31867858 , 225449610 , 322424943 , 5426587399 , 8132791244
n×2
123122980
n×3
184684470
n×4
246245960
n×5
307807450
n÷2
30780745
n÷3
20520496.666667
n÷3
15390372.5
n÷5
12312298
n2
3789817051020100
n3
2.333067844882E+23
n4
1.4362713280203E+31
n5
8.8419002997206E+38
2 √n
7846.1130504218
3 √n
394.85384754769
4 √n
88.57828769186
5 √n
36.129489449659
1 , 2 , 5 , 10 , 29 , 58 , 145 , 290 , 212281 , 424562 , 1061405 , 2122810 , 6156149 , 12312298 , 30780745 , 61561490
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61561489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61561490 can be divided by 16 positive divisors.
The sum of these divisors (counting 61561490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11101010110101101010010010
3
Ternary
11021211122111012
4
Quaternary
3222311222102
5
Quinary
111224431430
6
Senary
10035250522
8
Octal
352655222
10
Decimal
61561490
12
Duodecimal
18749a42
16
Hexadecimal
3ab5a92
20
Vigesimal
j4f3ea
36
Base36
10nh5e
md5
2e4eb880ed4dbb6ee25e65ba4f823a55
sha1
2ea17461056c93085f61de94cc54b3d7f518716b
sha256
9b1decd0c9e9b413648d6969f841ccf8b512e511f1a42576462e3da0d678679f
sha512
a8f12fedf1717076d00991634159e5a441415187384a5f0b7f9ca88a9366689a5e9444029422b1d7bcb52f2eaba12e14e0d31b54878a5565f8efceea544a5549
ripemd-160
705fab914caa382ea41198d67196adbf62a2a0e4
Diameter
123122980
Circumference
386802249.45608
Area
1.1906061405934E+16
Volume
9.772731735744E+23
Surface area
4.7624245623736E+16
Circumference
386802249.45608
Perimeter
246245960
Area
3789817051020100
Diagonal
87061094.077896
Surface area
22738902306120600
Volume
2.333067844882E+23
Space diagonal
106627628.46964
Perimeter
184684470
Area
1.6410389209394E+15
Altitude
53313814.234822
Surface area
1.6410389209394E+15
Volume
2.749546823474E+22
Height
29020364.692632